Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 24.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 03/24/2024   07:35:02   (  69.99,  62.35) 03/24/2024   07:35:36  (  70.01,  62.35)    1.36                34
 03/24/2024   08:25:44   ( -69.90,-130.19) 03/24/2024   08:25:06  ( -69.89,-130.18)    0.98                38
 03/26/2024   23:01:21   ( -70.39,  10.18) 03/26/2024   23:02:32  ( -70.28,  10.98)   32.57                71
 03/26/2024   23:51:59   (  69.97, 178.15) 03/26/2024   23:52:03  (  69.95, 178.16)    2.04                 4
 03/27/2024   00:42:40   ( -69.82, -14.31) 03/27/2024   00:41:33  ( -69.84, -14.36)    3.25                67
 03/29/2024   15:18:11   ( -70.02, 126.54) 03/29/2024   15:19:02  ( -70.01, 126.49)    1.94                51
 03/29/2024   16:08:55   (  69.91, -65.99) 03/29/2024   16:08:29  (  69.90, -66.02)    1.85                26
 03/29/2024   16:59:20   ( -68.91, 102.76) 03/29/2024   16:58:14  ( -68.96, 100.36)   96.12                66
 04/01/2024   06:44:38   (  70.76,  73.82) 04/01/2024   06:45:46  (  70.67,  75.71)   70.23                68
 04/01/2024   07:35:07   ( -69.97,-117.62) 04/01/2024   07:35:27  ( -69.96,-117.69)    2.87                20
 04/01/2024   08:25:51   (  69.86,  49.84) 04/01/2024   08:24:54  (  69.84,  49.79)    3.43                57
 04/03/2024   23:01:20   (  70.04,-169.28) 04/03/2024   23:02:19  (  70.06,-169.28)    1.92                59
 04/03/2024   23:52:02   ( -69.93,  -1.80) 04/03/2024   23:51:49  ( -69.96,  -1.79)    2.61                13
 04/04/2024   00:42:35   (  69.25, 166.51) 04/04/2024   00:41:26  (  69.28, 164.94)   61.75                69
 04/06/2024   15:18:15   (  69.98, -53.41) 04/06/2024   15:18:42  (  70.00, -53.46)    3.27                27
 04/06/2024   16:08:58   ( -69.92, 114.00) 04/06/2024   16:08:12  ( -69.90, 114.03)    2.40                46